Part A: Data Collection, Presentation And Analysis
Survey Results
Many human features are controlled by a single pair of alleles, one dominant and one recessive, that are inherited in simple Mendelian fashion. To examine this further, a survey was done on two of basic human features.
The two phenotypes chosen for the survey were hand clasping (left over right being dominant) and tongue rolling (where the ability to do so is dominant). Fifty people from a variety of demographics were surveyed. The table below shows the results of the survey.
Table 1: Survey Results
Tongue Rolling Hand Clasping Tongue Rolling Hand Clasping
1 Y R 26 Y L
2 N R 27 N L
3 Y R 28 N R
4 Y L 29 Y R
5 Y L 30 N R
6 N L 31 Y L
7 Y L 32 N L
8 Y R 33 N L
9 N L 34 Y R
10 Y R 35 Y R
11 N R 36 Y L
12 N R 37 N R
13 Y R 38 Y L
14 Y L 39 Y R
15 Y L 40 N L
16 Y L 41 N L
17 N R 42 N L
18 N L 43 Y L
19 N L 44 Y L
20 Y R 45 Y R
21 N R 46 Y R
22 Y R 47 N L
23 N L 48 N L
24 Y L 49 Y L
25 Y R 50 Y L
The following table shows the two alternative phenotypes for each characteristic, each phenotype’s possible genotypes, and the frequency and relative frequency of each phenotype in the sample above. The relative frequency is the frequency divided by the total number of people (in this case fifty) then multiplied by 100 to be expressed as a percentage.
Table 2: Survey Frequency Table
Tongue Rolling Hand Clasping
Alternative Phenotypes Able to roll tongue Unable to roll tongue Left thumb over right Right thumb over left
Possible Genotypes RR, Rr rr CC, Cc cc
Frequency 29 21 28 22
Relative Frequency 58% 42% 56% 44%
The graph below is a visual representation of the relative frequency table above.
Fi...
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... Muscular Dystrophies. Retrieved March 2010, from Muscular Dystrophy Foundation Australia: http://mdaustralia.org.au/files/2009/02/duchenne-and-becker-mds.pdf
This article is actually an adaptation of a factsheet from the MDA USA (Muscular Dystrophy Association) by MDNSW. While the article does not state any references, both of these agencies are respected and have medical and scientific advisory committees. The information appears to be correct and is congruent with the other articles. The information is simply factual, and is not biased. The original factsheet was published in 2006, and was adapted in 2007, and the material is still correct and current. The article contains general but detailed information about DMD, including causes, symptoms, diagnosing, recent research, and how the disease is inherited. All the information is useful and easy to understand.
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File Survey Report (FiSuR) is broken into four (4) key parts: Part 1 – Key Council Statistics • Quantitative Observations – including the key statistical data obtained during the council file survey. Part 2 – Council Observations • Qualitative Observations – including the key information observed from staff interviews and information found on file during the Council File Survey. Part 3 – Detailed Analysis (To Follow) • Comparative Analysis between Council and the ... ... middle of paper ..